2001201010103 has 4 divisors (see below), whose sum is σ = 2010175005888. Its totient is φ = 1992227014320.

The previous prime is 2001201010099. The next prime is 2001201010111. The reversal of 2001201010103 is 3010101021002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001201010103 - 2² = 2001201010099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001201015103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486997558 + ... + 4486998003.

It is an arithmetic number, because the mean of its divisors is an integer number (502543751472).

Almost surely, 2^{2001201010103} is an apocalyptic number.

2001201010103 is a deficient number, since it is larger than the sum of its proper divisors (8973995785).

2001201010103 is an equidigital number, since it uses as much as digits as its factorization.

2001201010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973995784.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2001201010103 its reverse (3010101021002), we get a palindrome (5011302031105).

The spelling of 2001201010103 in words is "two trillion, one billion, two hundred one million, ten thousand, one hundred three".